🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.49 AU - 0.75 AU

Year: 176 Days

Day: 20 Hours

Environment

Temp: 169 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.11 AU - 1.79 AU

Year: 628 Days

Day: 32.1 Hours

Environment

Temp: -16 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.09 AU - 2.29 AU

Year: 1166 Days

Day: 41.3 Hours

Environment

Temp: -63 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,039,906 km

• M1: 1,714,092 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.52 AU - 2.64 AU

Year: 1491 Days

Day: 24.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.93 AU - 2.95 AU

Year: 1814 Days

Day: 45.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.34 AU - 5.46 AU

Year: 3322 Days

Day: 40.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.51 AU - 5.39 AU

Year: 3964 Days

Day: 14.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,039,906 km

• M1: 3,742,191 km (0.082 R)

Asteroid Belt

Center: 6.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 13.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.9 AU - 8 AU

Year: 8067 Days

Day: 14.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 84,039,906 km

• M1: 618,438 km (0.066 R)
• M2: 838,646 km (0.117 R)
• M3: 1,000,959 km (0.105 R)
• M4: 1,513,631 km (0.041 R)
• M5: 1,970,503 km (0.037 R)
• M6: 2,147,328 km (0.096 R)
• M7: 2,541,069 km (0.068 R)
• M8: 2,832,935 km (0.106 R)
• M9: 3,187,482 km (0.111 R)
• M10: 3,746,379 km (0.103 R)
• M11: 4,023,435 km (0.104 R)
• M12: 4,136,082 km (0.098 R)
• M13: 4,307,222 km (0.072 R)
• M14: 4,568,420 km (0.102 R)
• M15: 5,383,130 km (0.114 R)
• M16: 5,696,388 km (0.107 R)
• M17: 5,855,261 km (0.103 R)
• M18: 6,571,984 km (0.12 R)
• M19: 7,663,899 km (0.119 R)
• M20: 7,804,371 km (0.075 R)
• M21: 8,628,805 km (0.055 R)
• M22: 9,256,069 km (0.104 R)
• M23: 9,631,859 km (0.063 R)
• M24: 10,398,698 km (0.091 R)
• M25: 10,632,669 km (0.106 R)
• M26: 11,026,410 km (0.08 R)
• M27: 11,344,755 km (0.084 R)
• M28: 11,787,714 km (0.047 R)
• M29: 11,909,486 km (0.103 R)
• M30: 12,442,055 km (0.104 R)
• M31: 13,024,290 km (0.119 R)
• M32: 14,172,304 km (0.077 R)
• M33: 14,693,054 km (0.099 R)
• M34: 14,955,748 km (0.111 R)
• M35: 15,663,795 km (0.118 R)
• M36: 16,564,374 km (0.102 R)
• M37: 17,435,482 km (0.072 R)
• M38: 17,528,083 km (0.114 R)
• M39: 17,713,734 km (0.082 R)
• M40: 17,853,309 km (0.064 R)
• M41: 18,415,647 km (0.039 R)
• M42: 19,031,392 km (0.118 R)
• M43: 19,174,408 km (0.076 R)
• M44: 19,895,170 km (0.064 R)
• M45: 20,088,750 km (0.092 R)
• M46: 20,283,078 km (0.089 R)
• M47: 20,968,086 km (0.06 R)
• M48: 22,310,727 km (0.114 R)
• M49: 22,815,022 km (0.09 R)
• M50: 22,967,013 km (0.077 R)
• M51: 23,527,257 km (0.1 R)
• M52: 24,092,139 km (0.083 R)
• M53: 24,921,659 km (0.116 R)
• M54: 25,549,970 km (0.068 R)
• M55: 26,289,731 km (0.08 R)
• M56: 26,502,310 km (0.077 R)
• M57: 26,768,893 km (0.11 R)
• M58: 26,929,262 km (0.083 R)
• M59: 27,466,169 km (0.111 R)
• M60: 27,574,029 km (0.038 R)
• M61: 27,898,357 km (0.117 R)
• M62: 28,714,563 km (0.115 R)
• M63: 28,824,069 km (0.073 R)
• M64: 28,933,575 km (0.1 R)
• M65: 29,098,282 km (0.077 R)
• M66: 29,263,139 km (0.078 R)
• M67: 29,538,698 km (0.097 R)
• M68: 30,148,010 km (0.093 R)
• M69: 30,370,612 km (0.049 R)
• M70: 31,266,404 km (0.057 R)
• M71: 31,717,591 km (0.054 R)
• M72: 32,341,564 km (0.098 R)
• M73: 33,428,841 km (0.056 R)
• M74: 33,543,882 km (0.062 R)
• M75: 33,716,966 km (0.11 R)
• M76: 34,237,567 km (0.085 R)
• M77: 35,874,467 km (0.12 R)
• M78: 36,346,747 km (0.102 R)
• M79: 37,357,431 km (0.04 R)
• M80: 38,678,978 km (0.102 R)
• M81: 39,649,719 km (0.105 R)
• M82: 39,771,641 km (0.04 R)
• M83: 40,628,538 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.5

Radius: 5.8

Gravity: 26.62 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 14.2 AU - 15.22 AU

Year: 20304 Days

Day: 16.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 84,039,906 km

• M1: 121,324 km (0.073 R)
• M2: 292,015 km (0.109 R)
• M3: 982,858 km (0.069 R)
• M4: 1,039,256 km (0.032 R)
• M5: 1,125,724 km (0.098 R)
• M6: 1,244,953 km (0.108 R)
• M7: 1,495,829 km (0.096 R)
• M8: 1,694,345 km (0.09 R)
• M9: 1,936,544 km (0.116 R)
• M10: 2,264,164 km (0.081 R)
• M11: 2,377,110 km (0.116 R)
• M12: 2,767,411 km (0.11 R)
• M13: 3,093,834 km (0.108 R)
• M14: 3,432,523 km (0.084 R)
• M15: 3,650,188 km (0.103 R)
• M16: 4,098,982 km (0.116 R)
• M17: 4,999,112 km (0.11 R)
• M18: 5,146,616 km (0.105 R)
• M19: 5,496,525 km (0.116 R)
• M20: 6,807,750 km (0.119 R)
• M21: 7,136,417 km (0.101 R)
• M22: 8,618,782 km (0.065 R)
• M23: 8,974,077 km (0.063 R)
• M24: 10,631,173 km (0.109 R)
• M25: 11,526,815 km (0.096 R)
• M26: 12,512,964 km (0.1 R)
• M27: 13,253,175 km (0.104 R)
• M28: 13,525,891 km (0.087 R)
• M29: 13,869,518 km (0.058 R)
• M30: 14,705,471 km (0.095 R)
• M31: 16,280,287 km (0.104 R)
• M32: 18,970,057 km (0.076 R)
• M33: 19,046,801 km (0.061 R)
• M34: 21,713,981 km (0.086 R)
• M35: 21,794,166 km (0.036 R)
• M36: 22,764,308 km (0.047 R)
• M37: 23,748,512 km (0.077 R)
• M38: 24,412,278 km (0.063 R)
• M39: 24,662,855 km (0.091 R)
• M40: 25,928,004 km (0.072 R)
• M41: 27,821,614 km (0.109 R)
• M42: 28,433,319 km (0.096 R)
• M43: 28,521,133 km (0.115 R)
• M44: 28,608,947 km (0.065 R)
• M45: 30,834,365 km (0.085 R)
• M46: 36,302,018 km (0.117 R)
• M47: 36,874,529 km (0.066 R)
• M48: 36,970,271 km (0.044 R)
• M49: 37,257,948 km (0.078 R)
• M50: 37,642,564 km (0.115 R)
• M51: 40,668,181 km (0.077 R)
• M52: 40,866,099 km (0.039 R)
• M53: 41,860,177 km (0.072 R)
• M54: 42,059,890 km (0.067 R)
• M55: 42,260,052 km (0.117 R)
• M56: 43,063,692 km (0.099 R)
• M57: 45,709,929 km (0.058 R)
• M58: 46,534,662 km (0.09 R)
• M59: 48,198,788 km (0.085 R)
• M60: 48,933,015 km (0.081 R)
• M61: 50,518,752 km (0.093 R)
• M62: 50,625,116 km (0.109 R)
• M63: 51,157,834 km (0.055 R)
• M64: 52,767,059 km (0.034 R)
• M65: 53,740,492 km (0.039 R)
• M66: 55,924,920 km (0.101 R)
• M67: 56,255,082 km (0.065 R)
• M68: 57,360,312 km (0.071 R)
• M69: 59,031,619 km (0.095 R)
• M70: 59,479,964 km (0.076 R)
• M71: 59,816,858 km (0.118 R)
• M72: 59,929,356 km (0.031 R)
• M73: 60,492,891 km (0.101 R)
• M74: 61,397,958 km (0.112 R)
• M75: 63,910,305 km (0.113 R)
• M76: 65,990,613 km (0.099 R)
• M77: 66,106,850 km (0.086 R)
• M78: 66,805,622 km (0.11 R)
• M79: 66,922,308 km (0.109 R)
• M80: 68,327,930 km (0.107 R)
• M81: 68,680,981 km (0.059 R)
• M82: 69,152,513 km (0.049 R)
• M83: 72,123,826 km (0.081 R)
• M84: 72,363,332 km (0.057 R)
• M85: 73,805,905 km (0.12 R)
• M86: 74,772,905 km (0.089 R)
• M87: 75,136,578 km (0.033 R)
• M88: 75,865,867 km (0.087 R)
• M89: 76,353,257 km (0.083 R)
• M90: 77,576,369 km (0.041 R)
• M91: 78,929,183 km (0.102 R)
• M92: 82,032,740 km (0.099 R)
• M93: 82,282,718 km (0.12 R)
• M94: 83,536,648 km (0.077 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 18,967 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit